[PD] looking for peak/notch pair

[Jeppi Jeppi]

Hi,I need a pair com truly complementary peak/notch filters in pd, such that cascading them is guaranteed to provide a flat magnitude response. Does anyone know whether there is a suitable filter pair for that in pd or pd extended? Any 2nd order filter with adjustable center freq. would do.
Having the sources available would help as I need to test them outside too.Thanks in advance!Josep
 		 	   		  
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